What is the effect and function of Tianxianzi?

Tianxianzi is poisonous, has antispasmodic, antiasthmatic, sedative and other effects, more into the pill powder, must be strictly controlled dosage, pregnant women and the weak do not take. Tianxianzi is the dried mature seeds of the solanaceae plant Hyoscyamine, its efficacy and role is mainly reflected in the following aspects: antispasmodic pain: Tianxianzi has significant antispasmodic effect, can relieve smooth muscle spasm, can be used for stomachache, abdominal pain and toothache and other pain. Antiasthma and cough: Tianxianzi can relax bronchial smooth muscle, has the effect of antiasthma and cough, can be used to treat bronchial asthma. It should be noted that Tianxianzi is poisonous and should be strictly controlled in dosage. Pregnant women and the weak should not take it. Excessive use may lead to poisoning, dry mouth, dysphagia, skin flushing, rapid heartbeat, dilated pupils, delirium, mania, hallucinations, convulsions and other symptoms. The method of use is generally oral, more pills, powder. Hyoscyamus henryi is a kind of flat kidney or flat oval, about 1 mm in diameter, brownish yellow or grayish yellow in surface, with fine reticulation, 1 light-colored linear hilum on each side. Seed coat is thin and brittle, without endosperm, cotyledons 2, thick, yellow. It has a slight smell and a slight taste. In short, Hyoscyamus is a plant with certain medicinal value, but it is also toxic. It should be used with caution. Before use, consult a doctor or pharmacist to ensure safety and effectiveness.